Version:           3.5.9 (using 3.5.10, Kubuntu (hardy) 4:3.5.10-0ubuntu1~hardy1.1)
Compiler:          Target: x86_64-linux-gnu
OS:                Linux (x86_64) release 2.6.24-21-generic

My default view is set to the current month. When I change the view to anything else KOrganizer crashes. 

Here is the backtrace:

(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 0x7f19019fa6f0 (LWP 8048)]
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[KCrash handler]
#5  0x00007f18fede44ad in KHolidays::getHolidays ()
   from /usr/lib/libkholidays.so.1
#6  0x00007f19014ec712 in KOGlobals::isWorkDay ()
   from /usr/lib/libkorganizer.so.1
#7  0x00007f1901464e00 in KOAgendaView::setHolidayMasks ()
   from /usr/lib/libkorganizer.so.1
#8  0x00007f190146791d in KOAgendaView::fillAgenda ()
   from /usr/lib/libkorganizer.so.1
#9  0x00007f19014683ec in KOAgendaView::showDates ()
   from /usr/lib/libkorganizer.so.1
#10 0x00007f19015106dc in KOrg::MultiAgendaView::showDates ()
   from /usr/lib/libkorganizer.so.1
#11 0x00007f18fb260661 in QWidgetStack::raiseWidget ()
   from /usr/lib/libqt-mt.so.3
#12 0x00007f1901492af6 in KOViewManager::showView ()
   from /usr/lib/libkorganizer.so.1
#13 0x00007f19014932e8 in KOViewManager::showAgendaView ()
   from /usr/lib/libkorganizer.so.1
#14 0x00007f1901493639 in KOViewManager::showDayView ()
   from /usr/lib/libkorganizer.so.1
#15 0x00007f190149384e in KOViewManager::qt_invoke ()
   from /usr/lib/libkorganizer.so.1
#16 0x00007f18fb0fefd0 in QObject::activate_signal ()
   from /usr/lib/libqt-mt.so.3
#17 0x00007f18fb0ffb4e in QObject::activate_signal ()
   from /usr/lib/libqt-mt.so.3
#18 0x00007f18fd1a3f8d in KAction::slotPopupActivated ()
   from /usr/lib/libkdeui.so.4
#19 0x00007f18fd1a4256 in KAction::qt_invoke () from /usr/lib/libkdeui.so.4
#20 0x00007f18fb0fefd0 in QObject::activate_signal ()
   from /usr/lib/libqt-mt.so.3
#21 0x00007f18fb477181 in QSignal::signal () from /usr/lib/libqt-mt.so.3
#22 0x00007f18fb11d1a3 in QSignal::activate () from /usr/lib/libqt-mt.so.3
#23 0x00007f18fb21e920 in QPopupMenu::mouseReleaseEvent ()
   from /usr/lib/libqt-mt.so.3
#24 0x00007f18fb1333ca in QWidget::event () from /usr/lib/libqt-mt.so.3
#25 0x00007f18fb09733a in QApplication::internalNotify ()
   from /usr/lib/libqt-mt.so.3
#26 0x00007f18fb099410 in QApplication::notify () from /usr/lib/libqt-mt.so.3
#27 0x00007f18fc7cd6bd in KApplication::notify ()
   from /usr/lib/libkdecore.so.4
#28 0x00007f18fb028280 in QApplication::sendSpontaneousEvent ()
   from /usr/lib/libqt-mt.so.3
#29 0x00007f18fb026bb7 in QETWidget::translateMouseEvent ()
   from /usr/lib/libqt-mt.so.3
#30 0x00007f18fb025060 in QApplication::x11ProcessEvent ()
   from /usr/lib/libqt-mt.so.3
#31 0x00007f18fb03c106 in QEventLoop::processEvents ()
   from /usr/lib/libqt-mt.so.3
#32 0x00007f18fb0b15bf in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#33 0x00007f18fb0b12ab in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#34 0x00007f18fb098e00 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#35 0x000000000040ad58 in ?? ()
#36 0x00007f18f74bb1c4 in __libc_start_main () from /lib/libc.so.6
#37 0x000000000040ab39 in ?? ()
#38 0x00007fff09a324a8 in ?? ()
#39 0x0000000000000000 in ?? ()